Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9845239 | Hydrogen generation systems and methods utilizing sodium silicide and sodium silica gel materials | John Melack, Michael Lefenfeld | 2017-12-19 |
| 9669371 | Hydrogen generation systems utilizing sodium silicide and sodium silica gel materials | John Melack, Michael Lefenfeld | 2017-06-06 |